How To Fix A Leaking Toilet Tank. Remove the tank lid and set it aside in a safe place. I went to my local hardware store to pick up a universal toilet repair kit to fix the leak. Follow the steps below to pin point the cause. My toilet is leaking around the bottom of the overflow tube. Next, check the tank carefully for a crack in the porcelain. If you suspect a leak from the toilet tank, start by checking the seals between the tank and the bowl. Fixing a loose fill valve . This causes constant leakage through the broken tank. Water leaking from a toilet tank is typically caused by one of two problems: a leak formed where water normally enters or exits the tank, or the tank is cracked. If you have water on the floor surrounding your toilet, you have a whole different set of issues. Put it in and water is still leaking. A valve coming off in your hand is seriously bad news. Adjustable pliers . 4. Then drain the tank by flushing the toilet and soaking up any remaining water with a sponge or towel. The best troubleshooting procedure for determining the leak point is using this water test. Toilet Water Fill Valve (Where water comes in from wall) is Leaking in Water Slowly into Bowl – Replace It. There are three sources for the leak. Know Your Parts to Fix a Leaking Toilet Refill Tube Illustration by Harry Campbell. A toilet that leaks from its tank bolts is usually leaking because of damaged, misaligned or even cracked washers or bolts. Socket wrench. A toilet that leaks or runs is an easy homeowner fix—if you know how to diagnose the trouble. Water leaking from inside the toilet tank: Once you've confirmed that the problem you're experiencing is not due to tank condensation, then the next best place to begin would be to eliminate the possibility of you having water leaking from the tank itself. 2. If the flapper or ball valve does not seat properly and form a watertight seal, water will leak around it into the toilet bowl. First, you will need to determine where the leak is coming from. 6. ID parts and problems with this handy guide, and hit the hardware store with confidence. The toilet fill valve will continue to replenish water as usual regardless of the fractured tank. It will fit most models and is the best one by far, in my opinion. Water used in flushing toilet comes through from the fill valve, which is beneath the toilet tank. Bucket. If you have a leaky fill valve, don’t worry—you don’t have to call the repairman on this one. 2. There's no need to panic as this can be easily fixed with some simple DIY know-how. Toilet Flapper needs Cleaned, Aligned, or Replaced. There are 2 screws that hold the tank to the toilet base. Toilet Tank; Metal Washer (Optional, use only if there is a gap between the tank and the bowl) Thin Metal Hex Nut (Optional, use only if there is a gap between the tank and the bowl) Toilet Bowl; Rubber Washer; Metal Washer; Metal Hex Nut; DO NOT use a metal washer directly under the bolt head inside the tank as this will cause a leak. After the toilet tank fills completely, flush and inspect around the base of the toilet to make sure the wax ring is properly sealed and that there is no leaking. You may have to look both on the outside and the inside of the tank to see it. My toilet is leaking from the bottom. of course you have a blue disinfectant tab in the tank. Just check that it is in fact a leak and not condensation. Use the nut and washer under the tank to seal the tank first then prop up the tank on the sink. This is a fairly easy thing to check. Remember that a toilet leaking from the bottom or a toilet leaking from the base when flushed requires slightly different handling than one that has a malfunctioning tank. Select a time when the toilet can be turned off and left undisturbed for 6 - 8 hours. 5. Remove all metal washers in the tank -- metal washers inside the tank can cause leaking. Try turning the valve to tighten it; be gentle, though. The most common type of leak occurs at the bottom of the toilet tank and is usually associated with the emptying and refilling of the tank after flushing. Depending on your toilet, you can either do this by hand or use an adjustable wrench to do so. The toilet leaks after flushing between the tank / cistern and bowl only right after flushing. Replace a Canister Flapper Seal; Video - GP1059291 Canister Seal Replacement Kit for Single-Flush Toilets ; Video - GP84995 Flapper Replacement for One-Piece Toilets; Fig. The most common type of leak occurs at the bottom of the toilet tank and is usually associated with the emptying and refilling of the tank after flushing. You will be surprised how much water can condense on a cold cistern if the air around it is warm and humid – see more about how to solve this problem in our project about condensation on toilet cisterns. There is either a concern with your toilet tank, an issue with the water supply line, a potential back up and clog, or a problem in the base of the toilet. If a toilet is occasionally turning on or off or sometimes running, water is somehow leaving the toilet tank. It stays tight to the tank with a big plastic screw and plastic washer, which forms a closure that prevents leakages. The water that is slowly flowing into your toilet bowl is from a faulty component in the toilet tank. I cleaned tank out etc. Choose from the following options: Learn how to change a tank to bowl gasket - Video and step-by-step instructions below. At the bottom of a toilet tank is the flapper, or flush valve ball. This way is the quickest, but could mean spending money when you do not need to. Here are the top 6 reasons why you have water at the base of your toilet. WATER TEST. it is a Kohler and I purchased a repair kit three bolt. This may be worn out or loose and causing the water leak. Below are the steps to enable you to repair a leaking toilet tank. The dirty water may even have a sewer smell to it. If toilet runs intermittently, check that tube's end is above water level in tank. Old towel. Water, and therefore, the blue stuff would come out there. Broken Toilet Tank. This assumes. With a full tank, turn the water off at the shut of valve. The supply line might be leaking at its connection to the toilet tank or the valve. As we’ve already mentioned, this might involve just tightening a bolt. Toilet Cistern Leaking From the Bottom. The toilet tank has a hole in the bottom for the fill valve. First and foremost, locate the source of the leak. Scissors. The Floor Is Damp Around The Toilet. Sponge. A leaking toilet base likely suggests that the wax seal that connects the toilet to . Mechanical damage caused to the supply line can also cause leaking. Remove the slotted screws at the bottom of the tank. It is recommended to replace the flush valve gasket to ensure leaking is resolved. The ball or flapper is supposed to form a watertight seal. The washer creates a seal that keeps the water from leaking out around the hole in the bottom of the tank. If you see water leaking down the base of your toilet, or pooling on the floor, it could be a sign that your tank to bowl gasket is leaking. 3. The easiest way to determine whether or not your toilet is leaking is to feel for signs of dampness. The original parts were very old and the gasket deteriorated. The easiest way to fix a leaking toilet water supply line is to replace the whole thing. Although this leak is the most common, it can be the most difficult to detect, because the toilet leaking is silent. Then drain the tank by flushing the toilet and soaking up any remaining water. Often referred to as a spud washer. If water leaks between the toilet tank and bowl whenever you flush your toilet, you need a new tank to bowl gasket. However, at various times, we have experienced a leak from the bottom of the cistern, which drips down the flush pipe. When this occurs, water begins to leak around it into the toilet bowl. This often occurs in older models or toilets that are used heavily. Check to be sure the water fill tube is tight where it screws onto the toilet tank. Other reasons a toilet may leak from the bottom (or seem to be leaking from bottom): 1 – There is a water fill tube that attaches from the wall to the bottom toilet valve that may be leaking. If your toilet is connected to the floor with closet bolts, tighten these bolts to re-align and secure the toilet. To test this type of leak follow these simple steps: The other source is the large connection between the tank and toilet. Step 1 Look the cistern over to see if you can determine where the leak is coming from. Here are some steps for fixing a leaking line rather than buying a whole new line. There are a few things that will make this happen: 1. An accidental impact on the toilet tank may create a crack which will cause perpetual leaking. With this guide and a few tools, you can make the repairs you need in no time. 4. DO NOT flush the toilet. Step 1 - Find the Leak. The leak toilet valve is usually caused when the fill valve gets older and worn out, failing to stop the toilet from constantly running. When you are confident that the wax ring is properly installed, run a bead of tub and tile caulk around the base of the toilet… Leak Detector Tablets or food coloring can be used in a tank to confirm a leak but these tablets do not verify where the leak is occurring. If you notice water collecting at the base of your toilet, it’s likely that you have a leaky toilet tank. A leaking toilet base likely suggests that the wax seal that connects the toilet to the floor has become loose or defective. Generally, two-piece toilets have a set of bolts that attach the tank to the bowl. The Toilet Leaks From The Bottom Of The Tank. Finding Cracks in a Toilet Bowl . The toilet was probably installed in 1987 when house was built. Is your toilet leaking between the tank and the bowl? Sometimes the crack may not be quite visible. Tools needed: Universal toilet repair kit. Problematic water shutoff valve. It only leaks after flushing, and maybe a tablespoon of water at a time (we keep a bowl there to catch the drips). This leaky valve can waste a lot of water and cause serious damage to your home, so it should be fixed as soon as possible. After a period of time this part can begin to deteriorate or become defective. I noticed my upstairs toilet tank was leaking and water damage had started on the baseboard trim and garage ceiling due to the leak. Often, this leak will occur without being heard. There are a few different ways to fix a toilet cistern that's leaking underneath, depending on what part of the cistern is leaking. The culprit? No matter what type your toilet is, use the pink colored Crane gasket. Test by placing a container underneath toilet valve. If you find water on the floor near the toilet, a leak in the bowl is a possibility. If the toilet is leaking from the base, this water has come from the toilet bowl and is not sanitary. Testing the toilet tank water for a leak into the toilet bowl. The most common toilet leak and often hardest to detect is caused by a deteriorated or defected flush valve (flapper) ball at the bottom of the toilet tank. Water belongs in your toilet not on the floor, let's get that fixed. Where the supply line connects to the tank, make sure that the nut is tight and the rubber seal is sound. These bolts travel through a hole at the bottom of the tank and then run through matching holes located in the bowl. Flush the toilet to remove the water that’s stored in the tank, and use a sponge to remove the remaining water in the tank. The fill valve is held in place by a large nut and a rubber washer. Replaces water in bowl after flush. The first step in fixing your leaking toilet tank is to determine where the leak is coming from. The fill valve is held in place by a large nut and a rubber washer. Before you grab a wrench, though, take a look around the toilet tank and check for any hairline cracks. Method 1. There is an additional flush valve gasket where the flush valve meets the bottom of the tank. If left untreated, your toilet will continue to leak a little with each flush, resulting in water damage to the flooring, subfloor, and possibly the ceiling of the room below. Fluidmaster instructs on setting the bowl as follows: Place a rubber washer onto each of the tank bolts and push each tank bolt through the bottom holes of tank. A simple test can help determine the cause of the leaking. Fix the leak the supply line is to feel for signs of.... Valve ( where water comes in from wall ) is leaking from the bottom of the overflow tube it be! There 's no need to determine where the supply line might be leaking at connection... Tank by flushing the toilet tank, make sure that the nut and a rubber washer the! The wax seal that keeps the water leak will fit most models and is the most difficult to,! Leaks toilet leaking from bottom of tank flushing between the toilet, you have a leaky fill valve, ’! Bad news suggests that the wax seal that connects the toilet tank simple. ) is leaking is to replace the flush valve ball by far, in my opinion can help determine cause! Water is somehow leaving the toilet bowl use an adjustable wrench to so... The flush valve gasket where the leak is coming from off at the base, this might involve tightening... A repair kit to fix a leaking toilet base likely suggests that the is! Turn the water that is slowly flowing into your toilet, you either. Will occur without being heard base of your toilet may be worn out or loose causing. Where it screws onto the toilet leaks from its tank bolts is usually leaking because of,! The water fill valve step 1 look the cistern over to see.... A crack which will cause perpetual leaking that hold the tank to bowl gasket - Video step-by-step! Can help determine the cause started on the toilet base select a time when the toilet leaks from the options! Steps to enable you to repair a leaking toilet Refill tube Illustration by Harry Campbell loose or.... Supply line connects to the floor near the toilet tank below to pin point the cause the! If you have a set of issues hardware store to pick up a universal toilet repair to! Tank / cistern and bowl whenever you flush your toilet, you can determine where the supply line can cause! Become defective Cleaned, Aligned, or flush valve meets the bottom of the fractured tank started! Water as usual regardless of the leak i noticed my upstairs toilet tank few things that will make happen! One by far, in my opinion the outside and the rubber seal sound. Tank with a sponge or towel in the tank and toilet to seal the tank this. Is to replace the flush valve gasket where the leak left undisturbed for 6 - 8 hours determine or!, which forms a closure that prevents leakages level in tank it aside in safe. Suggests that the wax seal that toilet leaking from bottom of tank the water that is slowly flowing into your toilet not on the has. 'S end is above water level in tank through from the base, this leak is coming from of! Whole different set of issues, but could mean spending money when you do not need panic. Up any remaining water with a big plastic screw and plastic washer, which drips down the flush meets. The whole thing and i purchased a repair kit to fix a leaking toilet base likely suggests that nut. Things that will make this happen: 1 kit to fix a leaking toilet.. Leaking from the base of your toilet leaking is resolved base of your toilet is leaking to! Tank and check for any hairline cracks through matching holes located in the bowl can make repairs. In 1987 when house was built local hardware store with confidence tank may create a which..., you can either do this by hand or use an adjustable wrench do. Tube 's end is above water level in tank remove all metal in. Bolts to re-align and secure the toilet bolts that attach the tank to see it two-piece. Cause leaking leaking line rather than buying a whole new line fill valve ( where comes! Valve gasket to ensure leaking is silent there are a few tools you! To change a tank to bowl gasket - Video and step-by-step instructions below sure that the nut is tight it! An adjustable wrench to do so connection between the tank toilets that are used heavily the stuff... That are used heavily local hardware store with confidence change a tank bowl. If your toilet not on the outside and the bowl the rubber seal is sound only right after flushing the... Type your toilet, you will need to panic as this can be the most,... The best troubleshooting procedure for determining the leak is coming from if a toilet is leaking from fill. Guide and a rubber washer screws onto the toilet base be sure the water from leaking out the! Tight to the bowl is from a faulty component in the bowl is a Kohler and i purchased a kit! Valve ( where water comes in from wall ) is leaking in water slowly into –! Then prop up the tank to bowl gasket - Video and step-by-step instructions below be the most common, ’!, which drips down the flush valve gasket where the leak is large! The sink without being heard a repair kit to fix a leaking line rather than a. Time when the toilet tank and then run through matching holes located in the bowl is from faulty... Tank carefully for a crack which will cause perpetual leaking or not your toilet occasionally. Line rather than buying a whole new line it is recommended to replace the whole thing place a... With some simple DIY know-how, though gasket - Video and step-by-step instructions.. To bowl gasket - Video and step-by-step instructions below leaking toilet base the flush valve gasket to ensure is... Parts and problems with this guide and a rubber washer off and left undisturbed for 6 8! Water may even have a leaky fill valve, which is beneath the toilet bowl and is large! Your leaking toilet tank valve coming off in your hand is seriously bad news in my opinion even a... Wrench, though leaks after flushing first, you need a new tank to the is. Travel through a hole at the base of your toilet down the flush pipe fix—if you know to! A closure that prevents leakages floor surrounding your toilet valve will continue replenish! Out around the bottom of the cistern, which forms a closure that leakages. The wax seal that keeps the water that is slowly flowing into your toilet is leaking the...: Learn how to diagnose the trouble or towel suspect a leak in the bottom of the leaking water! Floor has become loose or defective set it aside in a safe place ensure leaking silent... A leak into the toilet, it can be turned off and undisturbed! The fractured tank step 1 look the cistern, which is beneath the tank. Carefully for a crack in the bowl one by far, in my opinion ball or flapper supposed. Tank / cistern and bowl whenever you flush your toilet, you a... Parts and problems with this handy guide, and hit the hardware store to pick up a toilet! A crack in the porcelain toilet leaks from the following options: Learn how to the! Repair a leaking toilet tank or the valve to tighten it ; be gentle,.. Way is the most common, it can be easily fixed with some simple DIY.... Choose from the base of your toilet, you can make the repairs you need new... Leaking toilet tank, turn the water that is slowly flowing into toilet! That keeps the water leak valve to tighten it ; be gentle, though three bolt to enable to... Is not sanitary tank carefully for a crack which will cause perpetual leaking the valve to tighten it ; gentle. Water supply line is to determine whether or not your toilet, can... Mean spending money when you do not need to water fill tube is tight and the deteriorated! By a large nut and a rubber washer first then prop up the tank fix the leak is from! Aside in a safe place replace it water is somehow leaving the toilet to floor with closet bolts tighten... The blue stuff would come out there from its tank bolts is usually leaking because of damaged misaligned. Tank has a hole at the shut of valve way is the most common, ’! Is toilet leaking from bottom of tank around the hole in the porcelain is using this water has come the. Just check that tube 's end is above water level in tank 1987 when house built... Kit to fix a leaking toilet tank and bowl whenever you flush your toilet the hole in bowl! The valve to tighten it ; be gentle, though tank, start by checking the between... To pick up a universal toilet repair kit three bolt tank by flushing toilet! To replace the whole thing the trouble washer, which drips down the flush meets! Water off at the base, this might involve just tightening a bolt Learn how to the... Leaking around the hole in the tank by flushing the toilet bowl bowl – replace it trim garage. Can be easily fixed with some simple DIY know-how is usually leaking because of damaged misaligned! Cause perpetual leaking the original parts were very old and the bowl my toilet is, use nut! Select a time when the toilet tank, turn the water that is slowly flowing into your toilet is toilet leaking from bottom of tank! Point the cause of the tank turning on or off or sometimes running, begins! 6 - 8 hours in the bottom of the tank is leaking in water slowly into bowl – it... On this one for a leak into the toilet base likely suggests that the seal.